{"name":"wallet-label","description":"Wallet label / address tagger / known-address lookup / EOA-vs-contract check / deployer tracer. Best-effort labelling for any EVM address against an in-handler dictionary of well-known CEX hot/cold wallets, DEX routers, NFT marketplaces, popular MEV bots, bridges, and stablecoins. Etherscan v2 'getcontractcreation' adds is_contract + deployer for unknown contracts. Returns label, category, and the source of the match.","price":"$0.005","method":"POST","input_schema":{"properties":{"address":{"type":"string","description":"0x-prefixed 20-byte EVM address."},"chain":{"type":"string","enum":["base","ethereum","polygon","arbitrum","optimism"],"description":"EVM chain. Default 'ethereum'."}},"required":["address"]},"input_example":{"address":"0x6c0752c09e7F6fA6526fCDf40e456a159ebB5621","chain":"ethereum"},"output_example":{"address":"0x6c0752c09e7f6fa6526fcdf40e456a159ebb5621","chain":"ethereum","is_contract":false,"deployer":null,"creation_tx":null,"label":"Unknown EOA","category":"unknown","source":"etherscan"},"x402_payment_required":true,"x402_facilitator":"https://api.cdp.coinbase.com/platform/v2/x402"}